Mozilla also recorded and released a lengthy video tutorial portraying and promoting the product, which entirely uses MetaLab's design, with absolutely no indic

Mozilla also recorded and released a lengthy video tutorial portraying and promoting the product, which entirely uses MetaLab's design, with absolutely no indication that the design is only an internal mock-up. (They have since made the video "private" on Vimeo, though it is still on all of their promotional material.)